from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Relating to the caustic curves formed by the refraction of light.
- n. A refracting lens, which can be used to cauterise.
- n. The curve or surface formed by the intersection of refracted light rays.
from the GNU version of the Collaborative International Dictionary of English
- adj. Pertaining to, or possessing the properties of, a species of caustic curves formed by refraction. See Caustic surface, under caustic.
- n. That which burns by refraction, as a double convex lens, or the sun's rays concentrated by such a lens, sometimes used as a cautery.
- n. A curved formed by the consecutive intersections of rays of light refracted through a lens.
from The Century Dictionary and Cyclopedia
- In mathematics, belonging to a species of caustic curves formed by refraction.
- n. [In math. sense, from the adj. diacaustic, above; in med. sense, of same formation, with reference to caustic in its literal sense.]
- n. In medicine, a double-convex lens, employed to cauterize apart.
- n. A diacaustic curve. See I.
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